Clearwire investors push Sprint for more money; Inmarsat's earnings fell short of expectations

Quick news from around the Web.

> Telekom Austria picked ZTE to help it merge together its fixed and mobile voice network to allow the operator to offer more advanced and converged solutions, including Rich Communication Suite-enhanced and Voice-over-LTE services. Article

> A group of Clearwire shareholders are pushing for more money from Sprint Nextel. Article

> A company called ItsOn reportedly plans to launch an MVNO with support from Verizon Wireless. Article

> Satellite communications company Inmarsat said first-quarter earnings fell short of expectations, largely caused by U.S. government budget cuts. Article

And finally… Investing giant Warren Buffett launched his @WarrenBuffett Twitter account and is adding followers at the rate of 1,000 per minute. Article